The JBX01144 40GBASE-SR2 QSFP+ transceiver module represents a robust solution for modern high-speed networking infrastructure. Designed to meet the demanding requirements of contemporary data centers, this optical module provides exceptional performance, reliability, and compatibility with existing enterprise network equipment. **Technical Specifications and Performance:** This 40GBASE-SR2 module operates at 40Gbps, utilizing 850nm and 900nm wavelengths optimized for multimode fiber transmission. The module achieves reliable signal transmission over distances up to 150 meters when deployed over OM4 multimode fiber cables, making it perfect for connecting equipment across server racks and building floors. The module adheres to IEEE 802.3ba and SFF-8436 standards, ensuring interoperability with certified networking equipment. **Superior Compatibility and Integration:** The JBX01144 is engineered as a direct replacement for NVIDIA Mellanox MC2210411-SRBD modules, providing seamless integration into existing Mellanox-based infrastructure without requiring firmware updates or reconfiguration. This compatibility extends to QSFP+ ports on switches, routers, and network interface cards from leading manufacturers. **Reliability and Safety:** Manufactured with premium materials including a metal case with integrated laser transmitter, this module undergoes rigorous testing to ensure compliance with Class 1 laser safety standards, TUV, UL, and FDA certifications. The module meets RoHS and EU directive 2002/95/EC requirements, making it suitable for environmentally conscious organizations. **Practical Applications:** Ideal use cases include: • Data center east-west traffic between server racks • Campus network core connections • High-performance computing (HPC) cluster interconnects • Cloud infrastructure networking • Storage area networks (SAN) requiring high bandwidth **Operational Features:** The duplex LC/UPC connectors provide standard, proven connection technology with minimal insertion loss. Operating across a wide temperature range from 0-70°C ensures reliable performance in varied data center environments. The compact QSFP+ form factor (5x4x2 inches) enables high-density port configurations. **Support and Warranty:** Each module includes a comprehensive 90-day limited warranty covering defects and manufacturing issues. Custom brand programming is available for organizations requiring OEM-specific configurations. Fast shipping from multiple U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99 ensures quick deployment.